Classrooms should be places where students can engage in candid, spontaneous discussion on complex topics, even when doing so could involve saying things that might be considered innocuous today but offensive by the social-media mobs of the 2040s.
Read MoreA couple months ago, my 17-year-old daughter's guidance counselor called her into his office to ask pretty much the only question that adults ask high school seniors: "What colleges are you applying to?" When Ella tossed off a handful of universities, he said, "Have you thought about going to art school?".
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